package lc20240628;

//打家劫舍

public class HouseRobber {
    public int rob(int[] nums) {
        if (nums == null || nums.length == 0) {
            return 0;
        }
        if (nums.length == 1) {
            return nums[0];
        }
        
        int n = nums.length;
        int[] dp = new int[n];
        
        dp[0] = nums[0];
        dp[1] = Math.max(nums[0], nums[1]);
        
        for (int i = 2; i < n; i++) {
            dp[i] = Math.max(dp[i - 1], dp[i - 2] + nums[i]);
        }
        
        return dp[n - 1];
    }

    public static void main(String[] args) {
        HouseRobber robber = new HouseRobber();
        int[] houses = {2, 7, 9, 3, 1};
        System.out.println("Maximum amount that can be robbed: " + robber.rob(houses));
    }
}
